Re: [PATCH] Fix broken debug output reserve_region_with_split()

H. Peter Anvin
2008-10-17T06:55:33Z

David Miller wrote:
>>>
>> IMNSHO I think you can default to 8 digits for I/O for PCI, since at least last I looked there was no 64-bit address space possible for I/O.
>
> Resources are representing different things on different platforms.
>
> On sparc64 it's actually the full 64-bit physical I/O address on the
> system bus being stored in there. So even IORESOURCE_IO objects have
> 64-bits of relevancy.
>

And then it should be printed as such on that platform.

> Like I said, printing out the entire thing has helped me find real
> bugs, so printing the whole thing is not without merit.

No argument there. I was referring only to platforms where the resource
contains a PCI I/O address, which is 32 bits long unless limited by
additional constraints (like x86's 16-bit limit.)

-hpa